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Why This Tire?
Specifications
| Brand | Red Line |
|---|---|
| Category | Fluids & Chemicals |
| Manufacturer Part # | 21404 |
| UPC | 083522214049 |
|---|---|
| Subcategory | Motor Oil |
| Weight | 1.8 lbs |
Vehicle Compatibility
| Year | Make | Model | Trim |
|---|
Product Description
The Red Line Diesel 15W40 Motor Oil is a full synthetic lubricant specifically formulated for heavy-duty diesel engines. This oil provides superior protection against wear, soot, and oxidation in demanding diesel applications, including those with turbochargers. Red Line's diesel oils are designed to meet or exceed the latest API and OEM specifications, ensuring reliable performance and extended engine life for trucks and other diesel-powered vehicles.
Shipping & Returns
Fast Shipping
Standard delivery in 3-7 business days. Expedited options available.
30-Day Returns
Return unused items in original packaging for a full refund.
Questions & Answers
Check your vehicle owner's manual or the tire placard on the driver's side door jamb for the recommended tire size. You can also use our vehicle fitment tool at the top of the page to confirm compatibility. If you're unsure, our support team is happy to help you find the right fit.
We offer a 30-day return policy on unused, unmounted products in their original packaging. Simply contact our support team and we'll provide a prepaid return label. Refunds are processed within 5-7 business days of receiving the returned item. Mounted or used tires are not eligible for return.
We ship directly to your door or to your preferred local tire shop for installation. Most local tire shops offer mounting and balancing for $15-$25 per tire. Just provide your installer's address at checkout and we'll ship right to them.
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